john mccain says he does not believe a filibuster is appropriate. some inares say a filibuster may be the only way to stop hagel from becoming defense chief. >> a warning this morning to men. a study finds too much time in front of the tv could be reducing your fertility. scientists asked 189 volunteers questions about how much they exercise and how often they watch tv. men who watch more than 20 hours of tv a week are half as fertile. part of the reason could be because heavy tv viewers are less physically active. volunteer whose said they worked out 15 hours or more a week had a much higher sperm count. the study's authors say more research is needed. >> facebook knows quite a bit about the users. new details about your life it could gather on your mobile division, -- mobile device, whether you like [ female announcer ] pillsbury crescents are awesome. but when i cook up some beef, ketchup, relish and cheese, cover it with crescent dough and pow! cheeseburger crescent casserole. double awesome. pillsbury crescents. let the making begin. here's a b